Android Utililty Methods Bitmap Size Get

List of utility methods to do Bitmap Size Get

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Description

The list of methods to do Bitmap Size Get are organized into topic(s).

Method

int[]obtainBitmapSize(String pathName)
obtain Bitmap Size 
int[] size = new int[2];
final BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = true;
BitmapFactory.decodeFile(pathName, options);
size[0] = options.outWidth;
size[1] = options.outHeight;
return size;
intcomputeSampleSize(BitmapFactory.Options options, int minSideLength, int maxNumOfPixels)
compute Sample Size 
int initialSize = computeInitialSampleSize(options, minSideLength,
        maxNumOfPixels);
int roundedSize;
if (initialSize <= 8) {
    roundedSize = 1;
    while (roundedSize < initialSize) {
        roundedSize <<= 1;
} else {
    roundedSize = (initialSize + 7) / 8 * 8;
return roundedSize;
intcomputeInitialSampleSize( BitmapFactory.Options options, int minSideLength, int maxNumOfPixels)
compute Initial Sample Size 
double w = options.outWidth;
double h = options.outHeight;
int lowerBound = (maxNumOfPixels == -1) ? 1 : (int) Math.ceil(Math
        .sqrt(w * h / maxNumOfPixels));
int upperBound = (minSideLength == -1) ? 128 : (int) Math.min(
        Math.floor(w / minSideLength),
        Math.floor(h / minSideLength));
if (upperBound < lowerBound) {
...
intcomputeInitialSampleSize(int w, int h, int minSideLength, int maxNumOfPixels)
compute Initial Sample Size 
if (maxNumOfPixels == UNCONSTRAINED
        && minSideLength == UNCONSTRAINED)
    return 1;
int lowerBound = (maxNumOfPixels == UNCONSTRAINED) ? 1 : (int) Math
        .ceil(Math.sqrt((double) (w * h) / maxNumOfPixels));
if (minSideLength == UNCONSTRAINED) {
    return lowerBound;
} else {
...
intcomputeInitialSampleSize( BitmapFactory.Options options, int minSideLength, int maxNumOfPixels)
compute Initial Sample Size 
double w = options.outWidth;
double h = options.outHeight;
int lowerBound = (maxNumOfPixels == UNCONSTRAINED) ? 1 : (int) Math
        .ceil(Math.sqrt(w * h / maxNumOfPixels));
int upperBound = (minSideLength == UNCONSTRAINED) ? 128
        : (int) Math.min(Math.floor(w / minSideLength),
                Math.floor(h / minSideLength));
if (upperBound < lowerBound) {
...
intcomputeInSampleSizeForMoment(Bitmap map, int newWidth, int newHeight)
compute In Sample Size For Moment 
int width = map.getWidth();
int height = map.getHeight();
int inSampleSize = 1;
if (width < newWidth && height < newHeight) {
} else {
    float widthRadio = width / newWidth;
    float heightRadio = height / newHeight;
    inSampleSize = (int) Math.max(widthRadio, heightRadio);
...
intcomputeSampleSize(int width, int height, int minSideLength, int maxNumOfPixels)
Compute the sample size as a function of minSideLength and maxNumOfPixels. 
int initialSize = computeInitialSampleSize(width, height,
        minSideLength, maxNumOfPixels);
return initialSize <= 8 ? nextPowerOf2(initialSize)
        : (initialSize + 7) / 8 * 8;
intcomputeSampleSize(float scale)
compute Sample Size 
assertTrue(scale > 0);
int initialSize = Math.max(1, (int) Math.ceil(1 / scale));
return initialSize <= 8 ? nextPowerOf2(initialSize)
        : (initialSize + 7) / 8 * 8;
intcomputeSampleSize(BitmapFactory.Options options, int minSideLength, int maxNumOfPixels)
compute Sample Size 
int initialSize = computeInitialSampleSize(options, minSideLength,
        maxNumOfPixels);
int roundedSize;
if (initialSize <= 8) {
    roundedSize = 1;
    while (roundedSize < initialSize) {
        roundedSize <<= 1;
} else {
    roundedSize = (initialSize + 7) / 8 * 8;
return roundedSize;
intcomputeSampleSizeLarger(int w, int h, int minSideLength)
compute Sample Size Larger 
int initialSize = Math.max(w / minSideLength, h / minSideLength);
if (initialSize <= 1)
    return 1;
return initialSize <= 8 ? prevPowerOf2(initialSize)
        : initialSize / 8 * 8;